Exhibit 21

The Interpublic Group of Companies, Inc.

Our principal subsidiaries as of
December 31, 2009, are listed below. All other subsidiaries, if considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary under Rule 1-02(w) of Regulation S-X.



|                                                      |  |                     
|----------------------------------------------------- |  | --------------------
|Company Name                                          |  | State (U.S.)        
|Cabell Eanes, LLC                                     |  | Virginia            
|Campbell Mithun, Inc.                                 |  | Delaware            
|Campbell-Ewald Company                                |  | Delaware            
|Carmichael Lynch, Inc.                                |  | Minnesota           
|CMGRP, Inc.                                           |  | New York            
|Dailey & Associates, Inc.                             |  | California          
|Deutsch Inc.                                          |  | New York            
|Draftfcb, Inc.                                        |  | Delaware            
|Geomentum, Inc.                                       |  | Delaware            
|Global Event Marketing & Management (GEMM) Inc.       |  | Delaware            
|Golin/Harris International, Inc.                      |  | Virginia            
|Hill, Holliday, Connors, Cosmopulos, Inc.             |  | Delaware            
|ID Media, Inc.                                        |  | Delaware            
|Jack Morton Worldwide, Inc.                           |  | Delaware            
|Kaleidoscope Sports & Entertainment L.L.C.            |  | Delaware            
|Lowe & Partners Worldwide, Inc.                       |  | Delaware            
|McCann-Erickson Marketing, Inc.                       |  | New York            
|McCann-Erickson USA, Inc.                             |  | Delaware            
|McCann-Erickson Worldwide, Inc.                       |  | Delaware            
|Mediabrands Worldwide, Inc.                           |  | California          
|Momentum-NA, Inc.                                     |  | Colorado            
|Mullen Communications, Inc.                           |  | Massachusetts       
|Octagon, Inc.                                         |  | District Of Columbia
|R/GA Media Group, Inc.                                |  | Delaware            
|The Interpublic Group of Companies, Inc.              |  | Delaware            
|True North Holdings (Asia Pacific) Inc.               |  | Delaware            
|True North Holdings (Latin America), Inc.             |  | Delaware            
|Universal McCann Worldwide, Inc.                      |  | Delaware            
|Wahlstrom Group LLC                                   |  | Delaware            
|                                                      | 
|Company Name                                          |  | Country             
|166 Productions Pty Limited                           |  | Australia           
|Initiative Media Australia Pty Ltd                    |  | Australia           
|McCann Worldgroup Pty Limited                         |  | Australia           
|Middle East Communication Network Holding Company WLL |  | Bahrain             
|Mediabrands Belgium S.A.                              |  | Belgium             
|Borghierh Lowe Propaganda e Marketing Ltda            |  | Brazil              
|Giovanni+Draftfcb S.A.                                |  | Brazil              
|Harrison Comunicacoes Ltda                            |  | Brazil              
|Draftfcb Canada Inc.                                  |  | Canada              
|Fuel Advertising, Inc.                                |  | Canada              
|MacLaren McCann Canada Inc.                           |  | Canada              
|Media  I.D.A. Vision Inc.                            |  | Canada              
|The Interpublic Group of Companies Canada, Inc.       |  | Canada              
|McCann-Erickson S.A. de Publicidad                    |  | Chile               
|McCann-Erickson (China) Ltd.                          |  | China               



---

|                                                                |  |                     
|--------------------------------------------------------------- |  | --------------------
|Company Name                                                    |  | Country             
|Connectium ApS                                                  |  | Denmark             
|Universal Media SAE                                             |  | Egypt               
|GIS France G.I.E.                                               |  | France              
|Ligne Directe Sarl                                              |  | France              
|McCann-Erickson France SAS                                      |  | France              
|McCann-Erickson Paris SAS                                       |  | France              
|Mediabrands S.A.S.                                              |  | France              
|CMGRP Deutschland GmbH                                          |  | Germany             
|Creative Media Services GmbH                                    |  | Germany             
|M.E.C.H. The Communications House Berlin GmbH                   |  | Germany             
|McCann-Erickson Deutschland GmbH & Co Management Property KG    |  | Germany             
|Universal McCann GmbH                                           |  | Germany             
|Brand Connection Media Advertisements  Studies  Services S.A. |  | Greece              
|McCann Erickson Budapest Nemzetkozi Reklamugynokseg Kft.        |  | Hungary             
|Associated Corporate Consultants (India) Pvt Limited            |  | India               
|Draftfcb-Ulka Advertising Private Limited                       |  | India               
|Lintas India Private Limited                                    |  | India               
|Advertising School Ltd                                          |  | Israel              
|Draftfcb Srl                                                    |  | Italy               
|Initiative Media Milano S.r.l.                                  |  | Italy               
|IT Interactive Touch S.r.l.                                     |  | Italy               
|ACTS Inc                                                        |  | Japan               
|IPG Japan K.K.                                                  |  | Japan               
|Advertisement And Communication Services (Mauritius) Limited    |  | Mauritius           
|Initiative Group B.V.                                           |  | Netherlands         
|Universal Media B.V.                                            |  | Netherlands         
|Foote Cone & Belding Limited                                    |  | New Zealand         
|Brand Connection AS                                             |  | Norway              
|Universal McCann Sp. z.o.o.                                     |  | Poland              
|Brand Connection, Actividades Publicitarias, Lda.               |  | Portugal            
|Megameios  Publicidade E Meios, A.C.E.                         |  | Portugal            
|B.V. McCann-Erickson S.R.L.                                     |  | Romania             
|Draftfcb South Africa Holdings (Pty) Ltd                        |  | South Africa        
|Iniciativas de Medios, S.A.                                     |  | Spain               
|McCann Erickson S.A.                                            |  | Spain               
|Universal McCann, S.A.                                          |  | Spain               
|IPG Mediabrands Limited                                         |  | Thailand            
|Universal/McCann-Media Planlama ve Dagitim A.S.                 |  | Turkey              
|Brand Connection (Branch of Frontline Marketing LLC) BRANCH     |  | United Arab Emirates
|Universal Media Seven FZ-LLC                                    |  | United Arab Emirates
|AMS Advanced Marketing Services Limited                         |  | United Kingdom      
|BSMG Worldwide (Europe) Limited                                 |  | United Kingdom      
|Caudex Medical (Abingdon) Ltd (In Liq)                          |  | United Kingdom      
|CMGRP UK Limited                                                |  | United Kingdom      
|Draftfcb London Limited                                         |  | United Kingdom      
|DraftWorldwide Limited                                          |  | United Kingdom      
|Entertainment Intelligence Limited                              |  | United Kingdom      
|International Poster Management Limited                         |  | United Kingdom      
|Jack Morton UK Limited                                          |  | United Kingdom      
|McCann Manchester Limited                                       |  | United Kingdom      
|McCann-Erickson Advertising Limited                             |  | United Kingdom      
|McCann-Erickson Central Limited                                 |  | United Kingdom      
|Mediabrands International Limited                               |  | United Kingdom      
|True North Holdings (United Kingdom) Limited                    |  | United Kingdom